Unitary hand pump and discharge line



-Dec. 8, 1959 I E. SISSON UNITARY HAND PUMP AND DISCHARGE LINE Filed July 12, 1956 -L 7 Id I I F (MM f WM W United States Patent UNITARY HAND PUMP AND DISCHARGE LINE Earl L. Sisson, Slratford, Conn., assignor to Doreen Elizabeth Sisson, Stratford, Conn.

Application July 12, 1956, Serial No. 597,395

11 Claims. (Cl. 103-153) This invention relates to hand pumps of light, portable construction, and more particularly to pumps for handling liquids, such as those adapted for use in small boats as bilge pumps.

The present invention concerns improvements in the hand-operated bilge pump described and claimed in my copending application Serial No. 505,748, filed May 3, 1955, and entitled Hand Pump for Liquids.

In this copending application there is illustrated a novel hand pump comprising a tubular pump body or cylinder having a manually-operable piston by which water may be sucked into the cylinder and then discharged therefrom, thereby to transfer the water from one place to another. The pump of this copending application has a discharge opening at one end of the pump body, and a,

relatively short spout extending laterally from the body for a small distance, from which spout the Water is discharged.

In certain circumstances I have found it desirable to exhaust the discharging water a greater distance from the pump body, and the present invention is directed toward the provision of a novel and improved water conducting and discharge means for use in conjunction with bilge pumps of the type set forth in my application referred to.

One object of the invention is to provide an improved, unitary, portable, hand-operated bilge pump and dis charge line which is so constituted and organized that water may be discharged at a remote point located laterally of the pump body, yet when the pump is not in use the discharge line by which this function is eifected may be swung or collapsed to a position alongside or juxtaposed to the pump body, thereby to require a minimum amount of room for storage purposes.

Another object of the invention is to provide a novel and improved unitary hand pump and discharge line as above set forth, wherein the discharge line is of extremely simple and economical construction, thereby adding but very little to the cost of the pump itself.

A still further object of the invention is to provide an improved unitary pump and discharge line as above characterized, wherein the discharge line includes a supporting means by which the free end thereof may be rested on or supported by a portion of the boat, for example a gunwhale, thereby enabling the discharged liquid to be carried over the same while at the same time providing a desirable support by which operation of the pump may be facilitated.

A feature of the invention resides in the provision of an inexpensive, flexible fabric or fabric-containing hose which is inherently non-selfsupporting, in conjunction with relatively rigid, pivotal supporting means by which eifective operation is had together with great economy of manufacture.

A further object of the invention is to provide an improved unitary pump and discharge line as above described, wherein the discharge line is of flexible nature and associated with extendible and retractable supporting 2,915,984 Patented Dec. 8, 1959- means by which the effective length of the line may be altered to suit various conditions of use.

Other features and advantages will hereinafter appear.

In the drawings accompanying this specification, similar characters of reference indicate corresponding parts wherever possible in the several views, in which:

Figure 1 is a view partly in side elevation and partly in vertical section, of an improved unitary hand pump and discharge line made in accordance with the invention.

Fig. 2 is a side elevational view of the pump shown in Fig. 1, but with the discharge line shown in side elevation and collapsed or folded against the pump body.

Fig. 3 is a detail, enlarged, of the showing of Fig. 1, illustrating more clearly the pivotal connection between the discharge line and the pump body.

Fig. 4 is a transverse vertical sectional View taken on line 44 of Fig. 1.

Fig. 5 is a side elevational view of a discharge line supporting means illustrating a modification of the invention.

Fig'. 6 is a transverse section, enlarged, taken on line 6-6 of Fig. 5.

Fig. 7 is a view like Fig. 5 but showing a further modified supporting means.

Fig. 8 is a fragmentary perspective view of the bearing eyes of the supporting means shown in Fig. 7.

Referring to Figs. 13, the improved unitary hand pump and discharge line as provided by the invention comprises an elongate pump body 10 having at one end an inlet fitting 11 and at the other end a water discharge fitting 12, the latter having a lateral tubular extension 13 including a reduced tubular neck 14. The pump body 10 encloses a piston (not shown), by which water may be sucked into the body, said piston being connected with a piston rod 15 adapted to be actuated by a handle 16.

By the present invention I provide in combination a novel, economical-to-manufacture and extremely effective, foldable discharge line 17 for connection with the discharge opening of the pump body 10 to receive liquid therefrom and to conduct the same to a point remote from the body. The discharge line 17 comprises a flexible pipe 18 which I prefer to construct from flexible fabric or fabric-containing hose. The hose 18 may be of the seamless type, or it may be formed from flat, elongate strip wherein the opposite longitudinal edges are sewed or otherwise secured or adhered together. At one end the hose 18 is brought over the tubular neck 14 of the pump discharge fitting, said hose being secured to the neck by a releasable strap clamp 20 having apertured ears 21 receiving a draft bolt 22.

By this invention, in conjunction with the flexible hose 18 which is not self-supporting, I provide a novel, substantially-rigid support means in the form of an elongate rod 24, said rod at one end having a lateral extension 25 which is apertured to receive a pivot pin 26, Fig. 3, carried by the neck 14. Preferably, as shown, the neck 14 has a slot or notch 27 to provide clearance for the end portion of the rod 24 when the latter is extended laterally from the pump body 10 as shown in Fig. 1. The rod 24 is passed through the inside of the flexible hose 18 and adjacent its free end has a hole to admit stitching 28 by which the hose 18 may be sewed thereto, thus to provide a support for the hose and maintain the latter in an extended, operative position when it is desired to use the pump.

The free end portion of the rod 24 has a lateral offset 30, and a folded-back portion 31 provided with a bent tip or hook 32, said portion 31 and hook 32 being adapted to engage and rest on the gunwhale 33 of a boat. Thus the discharge line 17 may be easily and conveniently By the provision of the elongate discharge line 17,

water may be transported from the pump body 10 an appreciable distance therefrom and discharged over the side of the boat, in an effective manner."

In accordance with the invention, and as provided by the above described structure, the discharge line 17 when the pump is not in use may be swung or folded downward against the pump body 10 as illustrated in Fig. 2. Thus the unit comprising the pump and discharge line is extremely compact, and maybe stored away in a relatively small space while at the same time being instantly available for use whenever desired.

Referring to Fig. 4, the pivot pin 26 may be pinched at 35 to provide stops for positioning the offset portion 25 f the rod 24, and the ends 36 of the pin may be headed to hold it in place, although such heading is not' absolutely necessary since the flexible hose 18 will normally prevent dislodgment of the pin from the neck 14.

Modifications of the invention as shown in Figs. -8, wherein rods. 24a and 24b are formed of a plurality of sections, so as to be extendible and retractable. In Figs. 5 and 6, the rod 24a has collars 38, 39 and 40 providing bearings and stops for the two rod sections shown. In Figs. 7 and 8, the ends of the rod sections are formed into eyes 41 and 42, and the rod sections have pinched portions 43 and 44, constitutingstops for, engagement with the eyes 41 and 42 respectively. It will be seen that when the flexible hose 18 is used in conjunction with the extendible and retractable rods 24a and 24b, the length of the discharge line may be varied to some extent to suit diiferent conditions of use.

Easy and quick replacement of the flexible hose 18 may be accomplished at any time, by loosening the strap clamp 20 and severing the stitches by which the hose is held in place.

It will be readily understood that, by the above con struction, I have provided an improved, extremely effective and yet simple and economical-to-manufacture 'unitar-y hand pump and extended discharge line which is of considerable utility in connection with small boats, as a bilge pump therefor. The components illustrated are few in number and simple to fabricate and assemble, and whenthe pump is not in use the extended discharge line may be easilyand quickly swung or folded to an inoperative position wherein it is disposed closely adjacent the elongate pump body.

' Variations and modifications may be made within the scope of the claims and portions of the improvements may be used without others.

I claim:

1. A hand pump comprising an elongate pump body having adjacent one end a side discharge opening and a discharge fitting at said opening, said fitting extending substantially at right angles to the pump body; plunger means in said body, for pumping liquid; an elongate tubular discharge line constituted of a fabricated material which is inherently collapsible whereby the line normally does not retain a fully open, tubular shape, said line at one end being connected to said discharge fitting to receive liquid therefrom and being readily collapsible diametrically whereby it is foldable through a'large angle substantially against the pump body when the pump is not in use, for storage purposes and rigid elongate support means connected with the pump body and adapted to extend laterally therefrom, said support means engagmg the said subular discharge line at the other end 4 thereof for supporting the said line in an operative position extending laterally from the pump body.

2. A hand pump comprising an elongate pump bodyhaving adjacent one end a side discharge opening and a discharge fitting at said opening, said fitting extending substantially at right angles to the pump body; plunger means in said body, for pumping liquid; an elongate tubular discharge line constituted of a fabricated material which is inherently collapsible whereby the line normally does not retain a fully open, tubular shape, said line at one endbeing connected to said discharge fitting to receive liquid therefrom and being readily collapsible diametrically whereby it isfoldable through a large angle substantially against the pump bodyrwhen the pump is pivotal mounting means comprises a pin passing through i not in use, for storage purposes, said discharge line comprising a flexible, woven, collapsible hose; pivotal mounting means carried by the pump body; and a rigid elongate means connected with said pivotal mounting. means 7 and attached to the free end of the discharge line, for

supporting the latter in a straight position when it is extended laterally from the pump body.

3. The invention as defined in claim 2 in which the rigid means comprises a stiff rod structure extending through the discharge line. i I

4. The invention as defined in claim 3 in which the pivotal mounting means is disposed within the said discharge fitting and mounts the said rod structure.

5. The invention as defined in claim Q. in which the discharge fitting comprises a tubular lateral projection on' the pump body, and in which there is clamping means releasably securing the flexible hose to said fitting.

6. Theinvention as defined in claim 3 in which the end of the said rod structure which is remote from the pivotal mounting means is bent at an angle and has positioning means engageable with a support for maintaining the rod structure and line in extended position.

7. The invention as defined in claim 6 in which the said remote end of the rod structure is folded back on itself to form substantially a U-shape, and in which the positioning means comprises an angularly extended extremity of the rod structure, constituting an abutment.

8. The invention as defined in claim 4 in which the the'said rod structure and constituting a fulcrum therefor,

and comprises'a tubular extension projecting laterally from the pump body and constituting the said discharge fitting, said pin being carried by said fitting.

9. The invention as defined in claim 3, in which the said rod structure comprises a pair of relatively movable parts and bearing means slidably securing said partsto each other for relative extending and retracting move ment.

10. The invention as defined in claim 9, in which the bearing means comprises collars secured to and encircling the said movable parts. 7

11. The invention as "defined in claim 9, in which the bearing means comprises integral eyes formed on the said movable parts.

References Cited in the file of thispatent UNITED STATES PATENTS j 

